Do You Know About Mainframe Computers? Quiz

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Ajeff

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Quizzes Created: 39 | Total Attempts: 57,662

Questions: 10 | Attempts: 2,934 | Updated: Aug 19, 2023

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Do You Know About Mainframe Computers? Quiz - Quiz

How much do you know about the history of computers? Do you know about Mainframe computers? Take the quiz and test your knowledge. Many organizations have already embraced the use of computers, and they even have mainframe computers that help in the processing of data in bulk. How much do you know about mainframe computers, their uses, and their abilities from your classes? Why don't you take the test, learn more about it, and share it with your classmates? Play this quiz with some of your friends to see who knows more. Wouldn't that be super fun? Good luck!

Questions and Answers

1.

Shared DASD refers to the ability to ___________.
- A.
  
  Allow two processors to work on the same job simultaneously.
- B.
  
  Divide the workload as it arrives and assign different jobs to different LPARs.
- C.
  
  Remove a disk and transport it to a distant system.
- D.
  
  Allow two LPARs or two separate systems to share disks.
Correct Answer
D. Allow two LPARs or two separate systems to share disks.

Explanation
Shared DASD refers to the ability to allow two LPARs or two separate systems to share disks. This means that multiple logical partitions or separate systems can access and use the same disk storage simultaneously. This enables efficient resource utilization and data sharing between different systems or partitions, improving flexibility and scalability in a computing environment.

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2.

Current mainframes have more than 16 channels and use ____ hexadecimal digits as the channel portion of an address.
- A.
  
  1
- B.
  
  2
- C.
  
  4
- D.
  
  Over 1000
Correct Answer
B. 2

Explanation
Mainframes use two hexadecimal digits as the channel portion of an address. Hexadecimal digits range from 0 to 15, and two digits can represent values from 00 to FF, which is a total of 256 possible combinations. This allows mainframes to have more than 16 channels, providing a wider range of options for data transfer and processing.

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3.

Just like the first mainframes, zSeries mainframes have a single Central Processing Unit (CPU), although of course it is many times more powerful than the CPU of the original mainframes.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The given statement is false because zSeries mainframes do not have a single Central Processing Unit (CPU) like the first mainframes. In fact, zSeries mainframes are designed with multiple CPUs, making them much more powerful than the original mainframes.

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1
0
4.

Processors may be shared among LPARs.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
This statement is true because in a logical partitioning (LPAR) environment, multiple logical partitions can share a single physical processor. This allows for efficient utilization of computing resources by allowing multiple LPARs to run simultaneously on the same physical machine. Sharing processors among LPARs enables better flexibility and resource allocation in virtualized environments.

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5.

A mainframe is what businesses use to host the commercial databases, transaction servers, and applications that require a greater degree of security and availability than is commonly found on smaller-scale machines
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
A mainframe is a type of computer system that is commonly used by businesses to host important databases, transaction servers, and applications. These systems are designed to provide a higher level of security and availability compared to smaller-scale machines. Mainframes are known for their robustness and ability to handle large amounts of data and high workloads. Therefore, the statement that businesses use mainframes to host commercial databases, transaction servers, and applications requiring greater security and availability is true.

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6.

Which of the following is NOT a typical characteristic of mainframes?
- A.
  
  Centralized control of resources.
- B.
  
  Hardware and operating systems that can share access to disk drives with other systems, with automatic locking and protection against destructive simultaneous use of disk data.
- C.
  
  The ability to interact directly with the user by means of pointing devices such as trackballs and "mice".
- D.
  
  Hardware and operating systems that routinely work with hundreds or thousands of simultaneous I/O operations.
Correct Answer
C. The ability to interact directly with the user by means of pointing devices such as trackballs and "mice".

Explanation
Mainframes are known for their centralized control of resources, the ability to share access to disk drives with other systems while ensuring data protection, and the capability to handle hundreds or thousands of simultaneous I/O operations. However, they are not typically designed to interact directly with the user through pointing devices like trackballs and mice.

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7.

The first general purpose computer, introduced by IBM in 1964, was the ________________.
- A.
  
  ISeries
- B.
  
  System/370
- C.
  
  3390
- D.
  
  System/360
Correct Answer
D. System/360

Explanation
The correct answer is System/360. The System/360 was the first general-purpose computer introduced by IBM in 1964. It was a groundbreaking computer system that allowed users to choose from a range of models with different capabilities and performance levels. The System/360 set the standard for future computer systems and played a significant role in the development of modern computing.

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8.

In the early days of computing, mainframe computers were not just the largest computers; they were the only computers and few businesses could afford them.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
In the early days of computing, mainframe computers were indeed the largest computers and few businesses could afford them. This statement is true because mainframe computers were the primary type of computer available during that time and they were very expensive, making them inaccessible for most businesses.

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9.

Which of the following is NOT a mainframe operating system?
- A.
  
  Z/OS
- B.
  
  Z/VSE
- C.
  
  Z/AIX
- D.
  
  Z/VM
Correct Answer
C. Z/AIX

Explanation
The correct answer is z/AIX because z/AIX is not a mainframe operating system. z/OS, z/VSE, and z/VM are all mainframe operating systems commonly used in IBM mainframe computers. However, z/AIX is not a mainframe operating system but rather an operating system used in IBM's AIX family of operating systems, which are designed for IBM Power Systems.

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1
0
10.

In the mainframe computer environment, each user can access the computer's resources via what?
- A.
  
  Node
- B.
  
  Connecting hub
- C.
  
  Terminal
- D.
  
  None of the above
Correct Answer
C. Terminal

Explanation
In the mainframe computer environment, each user can access the computer's resources via a terminal. A terminal is a device that allows users to interact with the mainframe computer, input commands, and receive output. It acts as an interface between the user and the mainframe, providing a way to access and utilize the computer's resources. Nodes and connecting hubs are not directly involved in the user's access to the mainframe, and therefore, they are not the correct answers.

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Current Version
Aug 19, 2023

Quiz Edited by
ProProfs Editorial Team
Oct 17, 2011

Quiz Created by
Ajeff

Do You Know About Mainframe Computers? Quiz

Shared DASD refers to the ability to ___________.

Current mainframes have more than 16 channels and use ____ hexadecimal digits as the channel portion of an address.

Just like the first mainframes, zSeries mainframes have a single Central Processing Unit (CPU), although of course it is many times more powerful than the CPU of the original mainframes.

Processors may be shared among LPARs.

A mainframe is what businesses use to host the commercial databases, transaction servers, and applications that require a greater degree of security and availability than is commonly found on smaller-scale machines

Which of the following is NOT a typical characteristic of mainframes?

The first general purpose computer, introduced by IBM in 1964, was the ________________.

In the early days of computing, mainframe computers were not just the largest computers; they were the only computers and few businesses could afford them.

Which of the following is NOT a mainframe operating system?

In the mainframe computer environment, each user can access the computer's resources via what?